/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label10.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 13:00:30,960 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-08-18 13:00:31,080 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 13:00:31,081 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 13:00:31,081 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 13:00:31,082 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-18 13:00:31,120 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 13:00:31,121 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 13:00:31,123 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 13:00:31,124 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 13:00:31,124 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 13:00:31,124 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 13:00:31,124 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 13:00:31,124 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 13:00:31,125 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 13:00:31,125 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 13:00:31,126 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 13:00:31,126 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 13:00:31,126 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 13:00:31,127 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 13:00:31,127 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 13:00:31,127 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 13:00:31,127 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 13:00:31,127 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 13:00:31,128 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 13:00:31,128 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 13:00:31,128 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 13:00:31,128 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 13:00:31,128 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 13:00:31,129 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 13:00:31,129 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 13:00:31,129 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 13:00:31,129 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 13:00:31,129 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 13:00:31,129 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 13:00:31,130 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=BIGGEST; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=BIGGEST; [2020-08-18 13:00:31,429 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 13:00:31,442 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 13:00:31,446 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 13:00:31,448 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 13:00:31,448 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 13:00:31,449 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label10.c [2020-08-18 13:00:31,515 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ffccd58df/f573f391ce1243e88a187eaa6c1f82ff/FLAGab467a8a7 [2020-08-18 13:00:32,037 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 13:00:32,038 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label10.c [2020-08-18 13:00:32,060 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ffccd58df/f573f391ce1243e88a187eaa6c1f82ff/FLAGab467a8a7 [2020-08-18 13:00:32,310 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ffccd58df/f573f391ce1243e88a187eaa6c1f82ff [2020-08-18 13:00:32,322 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 13:00:32,324 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 13:00:32,327 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 13:00:32,327 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 13:00:32,331 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 13:00:32,332 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 01:00:32" (1/1) ... [2020-08-18 13:00:32,336 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1eb3f1ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 01:00:32, skipping insertion in model container [2020-08-18 13:00:32,336 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 01:00:32" (1/1) ... [2020-08-18 13:00:32,347 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 13:00:32,409 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 13:00:32,995 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 13:00:33,003 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 13:00:33,172 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 13:00:33,188 INFO L208 MainTranslator]: Completed translation [2020-08-18 13:00:33,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 01:00:33 WrapperNode [2020-08-18 13:00:33,189 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 13:00:33,190 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 13:00:33,190 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 13:00:33,190 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 13:00:33,205 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 01:00:33" (1/1) ... [2020-08-18 13:00:33,206 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 01:00:33" (1/1) ... [2020-08-18 13:00:33,227 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 01:00:33" (1/1) ... [2020-08-18 13:00:33,227 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 01:00:33" (1/1) ... [2020-08-18 13:00:33,276 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 01:00:33" (1/1) ... [2020-08-18 13:00:33,304 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 01:00:33" (1/1) ... [2020-08-18 13:00:33,319 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 01:00:33" (1/1) ... [2020-08-18 13:00:33,341 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 13:00:33,342 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 13:00:33,342 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 13:00:33,342 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 13:00:33,343 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 01:00:33" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 13:00:33,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 13:00:33,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 13:00:33,426 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-18 13:00:33,427 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 13:00:33,428 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-18 13:00:33,428 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 13:00:33,429 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 13:00:33,429 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-18 13:00:33,430 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 13:00:33,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 13:00:33,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 13:00:34,859 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 13:00:34,859 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-18 13:00:34,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 01:00:34 BoogieIcfgContainer [2020-08-18 13:00:34,865 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 13:00:34,867 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 13:00:34,867 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 13:00:34,870 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 13:00:34,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 01:00:32" (1/3) ... [2020-08-18 13:00:34,871 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64b0068d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 01:00:34, skipping insertion in model container [2020-08-18 13:00:34,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 01:00:33" (2/3) ... [2020-08-18 13:00:34,872 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64b0068d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 01:00:34, skipping insertion in model container [2020-08-18 13:00:34,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 01:00:34" (3/3) ... [2020-08-18 13:00:34,874 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label10.c [2020-08-18 13:00:34,885 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 13:00:34,893 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 13:00:34,907 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 13:00:34,934 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 13:00:34,934 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 13:00:34,934 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 13:00:34,934 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 13:00:34,934 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 13:00:34,935 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 13:00:34,935 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 13:00:34,935 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 13:00:34,959 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-08-18 13:00:34,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-08-18 13:00:34,968 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 13:00:34,969 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 13:00:34,970 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 13:00:34,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 13:00:34,976 INFO L82 PathProgramCache]: Analyzing trace with hash 951236199, now seen corresponding path program 1 times [2020-08-18 13:00:34,985 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 13:00:34,986 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1120934623] [2020-08-18 13:00:34,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 13:00:35,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:00:35,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 13:00:35,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:00:35,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 13:00:35,425 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1120934623] [2020-08-18 13:00:35,431 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 13:00:35,432 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 13:00:35,433 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271256910] [2020-08-18 13:00:35,440 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 13:00:35,441 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 13:00:35,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 13:00:35,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-18 13:00:35,463 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 5 states. [2020-08-18 13:00:37,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 13:00:37,612 INFO L93 Difference]: Finished difference Result 730 states and 1301 transitions. [2020-08-18 13:00:37,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-18 13:00:37,614 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2020-08-18 13:00:37,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 13:00:37,633 INFO L225 Difference]: With dead ends: 730 [2020-08-18 13:00:37,634 INFO L226 Difference]: Without dead ends: 447 [2020-08-18 13:00:37,643 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-18 13:00:37,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-08-18 13:00:37,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 441. [2020-08-18 13:00:37,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2020-08-18 13:00:37,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 672 transitions. [2020-08-18 13:00:37,736 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 672 transitions. Word has length 54 [2020-08-18 13:00:37,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 13:00:37,737 INFO L479 AbstractCegarLoop]: Abstraction has 441 states and 672 transitions. [2020-08-18 13:00:37,737 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 13:00:37,737 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 672 transitions. [2020-08-18 13:00:37,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-08-18 13:00:37,747 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 13:00:37,747 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 13:00:37,748 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 13:00:37,748 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 13:00:37,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 13:00:37,749 INFO L82 PathProgramCache]: Analyzing trace with hash 1775161813, now seen corresponding path program 1 times [2020-08-18 13:00:37,749 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 13:00:37,749 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [764823484] [2020-08-18 13:00:37,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 13:00:37,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:00:38,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 13:00:38,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:00:38,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 13:00:38,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:00:38,169 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 46 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 13:00:38,170 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [764823484] [2020-08-18 13:00:38,170 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 13:00:38,171 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-08-18 13:00:38,171 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241624271] [2020-08-18 13:00:38,173 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 13:00:38,173 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 13:00:38,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 13:00:38,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-18 13:00:38,174 INFO L87 Difference]: Start difference. First operand 441 states and 672 transitions. Second operand 5 states. [2020-08-18 13:00:39,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 13:00:39,564 INFO L93 Difference]: Finished difference Result 1172 states and 1811 transitions. [2020-08-18 13:00:39,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 13:00:39,565 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 173 [2020-08-18 13:00:39,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 13:00:39,572 INFO L225 Difference]: With dead ends: 1172 [2020-08-18 13:00:39,572 INFO L226 Difference]: Without dead ends: 737 [2020-08-18 13:00:39,574 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-08-18 13:00:39,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 737 states. [2020-08-18 13:00:39,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 737 to 588. [2020-08-18 13:00:39,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 588 states. [2020-08-18 13:00:39,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 841 transitions. [2020-08-18 13:00:39,619 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 841 transitions. Word has length 173 [2020-08-18 13:00:39,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 13:00:39,620 INFO L479 AbstractCegarLoop]: Abstraction has 588 states and 841 transitions. [2020-08-18 13:00:39,620 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 13:00:39,620 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 841 transitions. [2020-08-18 13:00:39,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-08-18 13:00:39,628 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 13:00:39,629 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 13:00:39,629 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 13:00:39,629 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 13:00:39,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 13:00:39,630 INFO L82 PathProgramCache]: Analyzing trace with hash -1459583831, now seen corresponding path program 1 times [2020-08-18 13:00:39,630 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 13:00:39,631 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1178194949] [2020-08-18 13:00:39,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 13:00:39,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:00:39,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 13:00:39,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:00:39,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 13:00:39,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:00:39,977 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 13:00:39,977 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1178194949] [2020-08-18 13:00:39,977 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 13:00:39,978 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-18 13:00:39,978 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987818440] [2020-08-18 13:00:39,981 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 13:00:39,981 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 13:00:39,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 13:00:39,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-18 13:00:39,982 INFO L87 Difference]: Start difference. First operand 588 states and 841 transitions. Second operand 8 states. [2020-08-18 13:00:41,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 13:00:41,967 INFO L93 Difference]: Finished difference Result 1927 states and 2946 transitions. [2020-08-18 13:00:41,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-18 13:00:41,969 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 179 [2020-08-18 13:00:41,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 13:00:41,987 INFO L225 Difference]: With dead ends: 1927 [2020-08-18 13:00:41,987 INFO L226 Difference]: Without dead ends: 1345 [2020-08-18 13:00:41,990 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-08-18 13:00:41,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1345 states. [2020-08-18 13:00:42,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1345 to 896. [2020-08-18 13:00:42,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 896 states. [2020-08-18 13:00:42,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 896 states to 896 states and 1204 transitions. [2020-08-18 13:00:42,060 INFO L78 Accepts]: Start accepts. Automaton has 896 states and 1204 transitions. Word has length 179 [2020-08-18 13:00:42,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 13:00:42,061 INFO L479 AbstractCegarLoop]: Abstraction has 896 states and 1204 transitions. [2020-08-18 13:00:42,062 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 13:00:42,062 INFO L276 IsEmpty]: Start isEmpty. Operand 896 states and 1204 transitions. [2020-08-18 13:00:42,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2020-08-18 13:00:42,078 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 13:00:42,078 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 13:00:42,079 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 13:00:42,079 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 13:00:42,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 13:00:42,079 INFO L82 PathProgramCache]: Analyzing trace with hash 148863531, now seen corresponding path program 1 times [2020-08-18 13:00:42,079 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 13:00:42,080 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [193348416] [2020-08-18 13:00:42,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 13:00:42,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:00:42,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 13:00:42,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:00:42,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 13:00:42,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:00:42,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-18 13:00:42,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:00:42,513 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 98 proven. 74 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-18 13:00:42,513 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [193348416] [2020-08-18 13:00:42,514 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 13:00:42,514 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-08-18 13:00:42,514 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026450724] [2020-08-18 13:00:42,515 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-18 13:00:42,515 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 13:00:42,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-18 13:00:42,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-08-18 13:00:42,516 INFO L87 Difference]: Start difference. First operand 896 states and 1204 transitions. Second operand 10 states. [2020-08-18 13:00:47,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 13:00:47,007 INFO L93 Difference]: Finished difference Result 3093 states and 4822 transitions. [2020-08-18 13:00:47,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-08-18 13:00:47,008 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 258 [2020-08-18 13:00:47,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 13:00:47,033 INFO L225 Difference]: With dead ends: 3093 [2020-08-18 13:00:47,033 INFO L226 Difference]: Without dead ends: 2172 [2020-08-18 13:00:47,039 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=124, Invalid=428, Unknown=0, NotChecked=0, Total=552 [2020-08-18 13:00:47,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2172 states. [2020-08-18 13:00:47,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2172 to 2162. [2020-08-18 13:00:47,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2162 states. [2020-08-18 13:00:47,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2162 states to 2162 states and 3334 transitions. [2020-08-18 13:00:47,169 INFO L78 Accepts]: Start accepts. Automaton has 2162 states and 3334 transitions. Word has length 258 [2020-08-18 13:00:47,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 13:00:47,169 INFO L479 AbstractCegarLoop]: Abstraction has 2162 states and 3334 transitions. [2020-08-18 13:00:47,169 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-18 13:00:47,169 INFO L276 IsEmpty]: Start isEmpty. Operand 2162 states and 3334 transitions. [2020-08-18 13:00:47,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2020-08-18 13:00:47,186 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 13:00:47,187 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 13:00:47,187 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 13:00:47,187 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 13:00:47,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 13:00:47,188 INFO L82 PathProgramCache]: Analyzing trace with hash 537203763, now seen corresponding path program 1 times [2020-08-18 13:00:47,188 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 13:00:47,188 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1065009068] [2020-08-18 13:00:47,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 13:00:47,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:00:47,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 13:00:47,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:00:47,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 13:00:47,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:00:47,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-08-18 13:00:47,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:00:47,738 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 98 proven. 2 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2020-08-18 13:00:47,738 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1065009068] [2020-08-18 13:00:47,738 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 13:00:47,739 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-18 13:00:47,739 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784594789] [2020-08-18 13:00:47,740 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 13:00:47,740 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 13:00:47,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 13:00:47,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-08-18 13:00:47,741 INFO L87 Difference]: Start difference. First operand 2162 states and 3334 transitions. Second operand 9 states. [2020-08-18 13:00:51,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 13:00:51,119 INFO L93 Difference]: Finished difference Result 5341 states and 10037 transitions. [2020-08-18 13:00:51,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-08-18 13:00:51,120 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 294 [2020-08-18 13:00:51,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 13:00:51,160 INFO L225 Difference]: With dead ends: 5341 [2020-08-18 13:00:51,160 INFO L226 Difference]: Without dead ends: 3185 [2020-08-18 13:00:51,176 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=254, Unknown=0, NotChecked=0, Total=342 [2020-08-18 13:00:51,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3185 states. [2020-08-18 13:00:51,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3185 to 2953. [2020-08-18 13:00:51,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2953 states. [2020-08-18 13:00:51,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2953 states to 2953 states and 4582 transitions. [2020-08-18 13:00:51,400 INFO L78 Accepts]: Start accepts. Automaton has 2953 states and 4582 transitions. Word has length 294 [2020-08-18 13:00:51,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 13:00:51,400 INFO L479 AbstractCegarLoop]: Abstraction has 2953 states and 4582 transitions. [2020-08-18 13:00:51,400 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 13:00:51,401 INFO L276 IsEmpty]: Start isEmpty. Operand 2953 states and 4582 transitions. [2020-08-18 13:00:51,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2020-08-18 13:00:51,421 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 13:00:51,422 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 13:00:51,422 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 13:00:51,423 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 13:00:51,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 13:00:51,424 INFO L82 PathProgramCache]: Analyzing trace with hash 5139694, now seen corresponding path program 1 times [2020-08-18 13:00:51,424 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 13:00:51,424 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1239061052] [2020-08-18 13:00:51,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 13:00:51,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:00:51,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 13:00:51,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:00:51,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 13:00:51,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:00:51,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-08-18 13:00:51,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:00:51,820 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 94 proven. 117 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-08-18 13:00:51,821 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1239061052] [2020-08-18 13:00:51,821 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 13:00:51,821 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-18 13:00:51,822 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373761063] [2020-08-18 13:00:51,822 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 13:00:51,823 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 13:00:51,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 13:00:51,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-18 13:00:51,824 INFO L87 Difference]: Start difference. First operand 2953 states and 4582 transitions. Second operand 8 states. [2020-08-18 13:00:53,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 13:00:53,350 INFO L93 Difference]: Finished difference Result 5937 states and 8813 transitions. [2020-08-18 13:00:53,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 13:00:53,351 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 301 [2020-08-18 13:00:53,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 13:00:53,367 INFO L225 Difference]: With dead ends: 5937 [2020-08-18 13:00:53,367 INFO L226 Difference]: Without dead ends: 3038 [2020-08-18 13:00:53,379 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-08-18 13:00:53,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3038 states. [2020-08-18 13:00:53,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3038 to 2831. [2020-08-18 13:00:53,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2831 states. [2020-08-18 13:00:53,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2831 states to 2831 states and 3750 transitions. [2020-08-18 13:00:53,476 INFO L78 Accepts]: Start accepts. Automaton has 2831 states and 3750 transitions. Word has length 301 [2020-08-18 13:00:53,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 13:00:53,476 INFO L479 AbstractCegarLoop]: Abstraction has 2831 states and 3750 transitions. [2020-08-18 13:00:53,476 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 13:00:53,476 INFO L276 IsEmpty]: Start isEmpty. Operand 2831 states and 3750 transitions. [2020-08-18 13:00:53,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2020-08-18 13:00:53,489 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 13:00:53,490 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 13:00:53,490 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-18 13:00:53,491 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 13:00:53,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 13:00:53,491 INFO L82 PathProgramCache]: Analyzing trace with hash -1175506291, now seen corresponding path program 1 times [2020-08-18 13:00:53,491 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 13:00:53,492 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2044578733] [2020-08-18 13:00:53,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 13:00:53,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:00:53,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 13:00:53,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:00:53,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 13:00:53,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:00:53,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-08-18 13:00:53,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:00:53,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-08-18 13:00:53,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 13:00:54,044 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 144 proven. 3 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2020-08-18 13:00:54,044 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2044578733] [2020-08-18 13:00:54,045 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 13:00:54,045 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-08-18 13:00:54,045 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420836463] [2020-08-18 13:00:54,046 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 13:00:54,047 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 13:00:54,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 13:00:54,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-18 13:00:54,049 INFO L87 Difference]: Start difference. First operand 2831 states and 3750 transitions. Second operand 5 states. [2020-08-18 13:00:55,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 13:00:55,182 INFO L93 Difference]: Finished difference Result 6232 states and 8328 transitions. [2020-08-18 13:00:55,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 13:00:55,183 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 379 [2020-08-18 13:00:55,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 13:00:55,184 INFO L225 Difference]: With dead ends: 6232 [2020-08-18 13:00:55,184 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 13:00:55,198 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-08-18 13:00:55,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 13:00:55,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 13:00:55,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 13:00:55,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 13:00:55,199 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 379 [2020-08-18 13:00:55,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 13:00:55,199 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 13:00:55,199 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 13:00:55,199 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 13:00:55,200 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 13:00:55,200 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-18 13:00:55,202 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 13:00:56,009 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 26 [2020-08-18 13:00:56,145 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 13:00:56,145 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) [2020-08-18 13:00:56,145 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 13:00:56,146 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-08-18 13:00:56,146 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:56,146 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:56,146 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:56,146 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:56,146 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:56,146 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:56,146 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-08-18 13:00:56,146 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-08-18 13:00:56,146 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-08-18 13:00:56,147 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-08-18 13:00:56,147 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-08-18 13:00:56,147 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-08-18 13:00:56,147 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-08-18 13:00:56,147 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-08-18 13:00:56,147 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-08-18 13:00:56,147 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-08-18 13:00:56,147 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-08-18 13:00:56,148 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:56,148 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:56,148 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:56,148 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:56,148 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:56,148 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-08-18 13:00:56,148 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-08-18 13:00:56,149 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-08-18 13:00:56,149 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-08-18 13:00:56,149 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-08-18 13:00:56,149 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-08-18 13:00:56,149 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-08-18 13:00:56,149 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-08-18 13:00:56,149 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-08-18 13:00:56,150 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-08-18 13:00:56,150 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-08-18 13:00:56,150 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-08-18 13:00:56,150 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-08-18 13:00:56,150 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 148) no Hoare annotation was computed. [2020-08-18 13:00:56,150 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-08-18 13:00:56,151 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:56,151 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:56,151 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:56,151 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:56,151 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:56,151 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-08-18 13:00:56,152 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-08-18 13:00:56,152 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-08-18 13:00:56,152 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-08-18 13:00:56,152 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-08-18 13:00:56,152 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-08-18 13:00:56,152 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-08-18 13:00:56,152 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-08-18 13:00:56,153 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-08-18 13:00:56,153 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-08-18 13:00:56,153 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:56,153 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:56,153 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:56,153 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:56,153 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:56,154 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-08-18 13:00:56,154 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-08-18 13:00:56,154 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-08-18 13:00:56,154 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-08-18 13:00:56,154 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-08-18 13:00:56,154 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-08-18 13:00:56,154 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-08-18 13:00:56,155 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-08-18 13:00:56,155 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-08-18 13:00:56,155 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-08-18 13:00:56,155 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-08-18 13:00:56,155 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-08-18 13:00:56,155 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-08-18 13:00:56,155 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:56,156 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:56,156 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:56,156 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:56,156 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:56,156 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-08-18 13:00:56,156 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-08-18 13:00:56,156 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-08-18 13:00:56,157 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-08-18 13:00:56,157 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-08-18 13:00:56,157 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-08-18 13:00:56,157 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-08-18 13:00:56,157 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-08-18 13:00:56,157 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-08-18 13:00:56,157 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:56,157 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:56,158 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:56,158 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:56,158 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:56,158 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:56,158 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:56,158 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-08-18 13:00:56,158 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-08-18 13:00:56,159 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-08-18 13:00:56,159 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-08-18 13:00:56,159 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-08-18 13:00:56,159 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-08-18 13:00:56,159 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-08-18 13:00:56,159 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-08-18 13:00:56,159 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-08-18 13:00:56,160 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-08-18 13:00:56,160 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-08-18 13:00:56,160 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-08-18 13:00:56,160 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-08-18 13:00:56,160 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:56,160 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:56,160 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:56,160 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:56,161 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-08-18 13:00:56,182 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:56,182 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:56,182 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-08-18 13:00:56,183 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-08-18 13:00:56,183 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-08-18 13:00:56,183 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-08-18 13:00:56,183 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-08-18 13:00:56,183 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-08-18 13:00:56,183 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-08-18 13:00:56,184 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-08-18 13:00:56,187 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-08-18 13:00:56,187 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-08-18 13:00:56,187 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-08-18 13:00:56,190 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-08-18 13:00:56,190 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-08-18 13:00:56,190 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:56,190 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:56,190 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:56,191 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:56,191 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:56,191 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:56,191 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-08-18 13:00:56,191 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-08-18 13:00:56,191 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-08-18 13:00:56,191 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-08-18 13:00:56,192 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-08-18 13:00:56,192 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-08-18 13:00:56,192 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-08-18 13:00:56,192 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-08-18 13:00:56,192 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-08-18 13:00:56,192 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-08-18 13:00:56,192 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-08-18 13:00:56,193 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse0 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)))) (and (or .cse0 (not (= 4 |old(~a10~0)|))) (or (not (<= |old(~a10~0)| 0)) .cse0) (or (not (= 3 |old(~a10~0)|)) .cse0) (or (= 6 |old(~a19~0)|) .cse0))) [2020-08-18 13:00:56,193 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-08-18 13:00:56,193 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-08-18 13:00:56,193 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-08-18 13:00:56,193 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:56,194 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:56,194 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:56,194 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:56,194 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:56,194 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:56,194 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-08-18 13:00:56,194 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-08-18 13:00:56,195 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-08-18 13:00:56,197 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-08-18 13:00:56,197 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-08-18 13:00:56,197 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-08-18 13:00:56,197 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-08-18 13:00:56,197 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-08-18 13:00:56,198 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-08-18 13:00:56,198 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-08-18 13:00:56,198 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-08-18 13:00:56,198 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-08-18 13:00:56,198 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-08-18 13:00:56,198 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:56,198 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:56,198 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:56,199 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:56,199 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:56,199 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:56,199 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-08-18 13:00:56,199 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-08-18 13:00:56,199 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-08-18 13:00:56,199 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-08-18 13:00:56,199 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-08-18 13:00:56,199 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-08-18 13:00:56,200 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-08-18 13:00:56,202 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-08-18 13:00:56,202 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-08-18 13:00:56,202 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-08-18 13:00:56,202 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-08-18 13:00:56,202 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-08-18 13:00:56,202 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:56,203 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:56,203 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:56,203 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:56,203 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:56,203 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-08-18 13:00:56,203 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-08-18 13:00:56,203 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-08-18 13:00:56,203 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-08-18 13:00:56,204 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-08-18 13:00:56,204 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-08-18 13:00:56,204 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-08-18 13:00:56,204 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-08-18 13:00:56,204 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-08-18 13:00:56,204 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-08-18 13:00:56,204 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-08-18 13:00:56,204 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-08-18 13:00:56,204 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-08-18 13:00:56,205 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 13:00:56,209 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (= ~a4~0 14) (<= 23 ~a1~0) (<= 9 ~a19~0) (= ~a12~0 0) (<= ~a19~0 9)) [2020-08-18 13:00:56,209 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 13:00:56,210 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 13:00:56,210 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (and (<= 9 ~a19~0) (<= ~a19~0 9) (= ~a1~0 |old(~a1~0)|) (= ~a10~0 |old(~a10~0)|)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (not (<= |old(~a19~0)| 9)) (not (= 14 ~a4~0)) (not (= ~a12~0 0))) [2020-08-18 13:00:56,210 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-08-18 13:00:56,210 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (<= ~a10~0 0) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (= ~a10~0 3) (not (= ~a19~0 6)) (not (<= |old(~a19~0)| 9)) (not (= 14 ~a4~0)) (= ~a10~0 4) (not (= ~a12~0 0))) [2020-08-18 13:00:56,210 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-08-18 13:00:56,210 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-08-18 13:00:56,210 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (<= ~a10~0 0) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (= ~a10~0 3) (not (= ~a19~0 6)) (not (<= |old(~a19~0)| 9)) (not (= 14 ~a4~0)) (= ~a10~0 4) (not (= ~a12~0 0))) [2020-08-18 13:00:56,211 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-08-18 13:00:56,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 01:00:56 BoogieIcfgContainer [2020-08-18 13:00:56,232 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 13:00:56,234 INFO L168 Benchmark]: Toolchain (without parser) took 23910.84 ms. Allocated memory was 140.0 MB in the beginning and 552.1 MB in the end (delta: 412.1 MB). Free memory was 101.5 MB in the beginning and 500.3 MB in the end (delta: -398.8 MB). Peak memory consumption was 387.9 MB. Max. memory is 7.1 GB. [2020-08-18 13:00:56,235 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-18 13:00:56,236 INFO L168 Benchmark]: CACSL2BoogieTranslator took 862.35 ms. Allocated memory was 140.0 MB in the beginning and 205.5 MB in the end (delta: 65.5 MB). Free memory was 101.3 MB in the beginning and 170.1 MB in the end (delta: -68.7 MB). Peak memory consumption was 33.1 MB. Max. memory is 7.1 GB. [2020-08-18 13:00:56,238 INFO L168 Benchmark]: Boogie Preprocessor took 151.40 ms. Allocated memory is still 205.5 MB. Free memory was 170.1 MB in the beginning and 165.1 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2020-08-18 13:00:56,239 INFO L168 Benchmark]: RCFGBuilder took 1523.87 ms. Allocated memory was 205.5 MB in the beginning and 239.1 MB in the end (delta: 33.6 MB). Free memory was 165.1 MB in the beginning and 180.1 MB in the end (delta: -15.0 MB). Peak memory consumption was 80.6 MB. Max. memory is 7.1 GB. [2020-08-18 13:00:56,240 INFO L168 Benchmark]: TraceAbstraction took 21365.61 ms. Allocated memory was 239.1 MB in the beginning and 552.1 MB in the end (delta: 313.0 MB). Free memory was 180.1 MB in the beginning and 500.3 MB in the end (delta: -320.2 MB). Peak memory consumption was 367.3 MB. Max. memory is 7.1 GB. [2020-08-18 13:00:56,244 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 862.35 ms. Allocated memory was 140.0 MB in the beginning and 205.5 MB in the end (delta: 65.5 MB). Free memory was 101.3 MB in the beginning and 170.1 MB in the end (delta: -68.7 MB). Peak memory consumption was 33.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 151.40 ms. Allocated memory is still 205.5 MB. Free memory was 170.1 MB in the beginning and 165.1 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1523.87 ms. Allocated memory was 205.5 MB in the beginning and 239.1 MB in the end (delta: 33.6 MB). Free memory was 165.1 MB in the beginning and 180.1 MB in the end (delta: -15.0 MB). Peak memory consumption was 80.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 21365.61 ms. Allocated memory was 239.1 MB in the beginning and 552.1 MB in the end (delta: 313.0 MB). Free memory was 180.1 MB in the beginning and 500.3 MB in the end (delta: -320.2 MB). Peak memory consumption was 367.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 148]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: ((((((((!(23 <= \old(a1)) || a10 <= 0) || !(\old(a10) <= 0)) || !(9 <= \old(a19))) || a10 == 3) || !(a19 == 6)) || !(\old(a19) <= 9)) || !(14 == a4)) || a10 == 4) || !(a12 == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 20.2s, OverallIterations: 7, TraceHistogramMax: 4, AutomataDifference: 16.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 248 SDtfs, 4019 SDslu, 425 SDs, 0 SdLazy, 9498 SolverSat, 1606 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 118 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 193 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2953occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 7 MinimizatonAttempts, 1053 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 134 PreInvPairs, 188 NumberOfFragments, 225 HoareAnnotationTreeSize, 134 FomulaSimplifications, 50126 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1992 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 1638 NumberOfCodeBlocks, 1638 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1631 ConstructedInterpolants, 0 QuantifiedInterpolants, 995085 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 2 PerfectInterpolantSequences, 921/1118 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...